I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
I need to store an image of size 40kB to internal flash memory. Actually i tried to store it from the address like 0x28400 and 0x2E984 (memory addresses after softdevice...
Hi, I am developing an BLE application using nRF51822.
This question is from my previous question:
devzone.nordicsemi.com/.../question-about-adc-power-consumption
...
i have purchased one of the modules. i need to interface with other modules of the same kind but how will i start programming it ,can u people suggest me the IDE ? do i need...
Hi,
I try to modify 51822 device_firmware_updates code for 51422.
But I have a problem.
When I run my code, my cell phone can connect to 51422. I can click DFU button...
According to Page5 of nWP-018, if we compare QFAA G0 to C0, G0 doesn't have a valid version reference design with the right balun. But G0 and C0 have the same valid reference...
Hi there,
We're looking to use the entire 16 KB of RAM on the nRF51822 when the S110 is disabled. We've come across an odd case, where doing this:
memset(0x20000004...
Hi there,
I am trying to learn how to develop for the 8001 chip on an Arduino board.
Does anyone know a good tutorial I can use to get to grips with how i would go about...
I have nRF 8001 BLE chip.First i want to know will this chip contains any Firmware i.e it has its services and characteristic or not? And i want to write my own Services and...
Dear Sir,
I used nRF51822, I found sometime the program reset itselft. Then I made a test program to send out the "RESET REASON"by BLE message. I found the reset reason...
When a callback function is registered via the softdevice_ble_evt_handler_set(), are there re-entrancy issues when the callback is called by the softdevice?
For instance...
HI,
May I ask question ?
I am testing the "ble_app_hids_mouse" program . When I run the program ,but it can't pair with my computer(windows 8.1).I don't have the nRF6310...
I want to connect my mouse to win7 or XP PC(but I can only buy CSR BLE dongle CSR8510A10),
It connect OK in win8 with the same dongle but report error as the title describe...
Hi,
I have a problem is that I use the 51822 as a reader to read the 24l01's radio data.Now,I use the UART to read the instruction from the PC. If the instruction is "ON...
Hi,
I use the nrf51822 to read the data from the tag which designed by the 24l01p radio module.In the whole progress, first of all, the reading module read the instructions...